CN2833633Y - Ultraviolet wide-angle objective lens - Google Patents
Ultraviolet wide-angle objective lens Download PDFInfo
- Publication number
- CN2833633Y CN2833633Y CN 200520079717 CN200520079717U CN2833633Y CN 2833633 Y CN2833633 Y CN 2833633Y CN 200520079717 CN200520079717 CN 200520079717 CN 200520079717 U CN200520079717 U CN 200520079717U CN 2833633 Y CN2833633 Y CN 2833633Y
- Authority
- CN
- China
- Prior art keywords
- eyeglass
- positive light
- light coke
- negative power
- mirror group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to an ultraviolet wide-angle object lens used for an ultraviolet optical system, which comprises a front negative power lens set (10) and a back positive power lens set (13), wherein the back positive power lens set (13) comprises a positive power lens set (12) and a quasi non power lens set (14), and the front negative power lens set (10), the positive power lens set (12) and the quasi non power lens set (14) are orderly arranged on the same optical axis (11). The utility model uses a retrofocus structural form, the object lens is composed of the front set and the back set, the front set has negative power and the back set has positive power. A positive power lens set and a quasi non power lens set eliminating color difference are arranged in the back positive power lens set, three kinds of optical crystal materials of good physiochemical performance are simultaneously used for correcting aberration and an object lens of a transmission optical system which can be used for an ultraviolet band is achieved.
Description
One, technical field
The utility model relates to a kind of Liar, especially a kind of ultraviolet wide-angle objective lens that is applied to the ultraviolet optics system.
Two, background technology
In optical field, ordinary optical glass is difficult to be applied in the transmission optics system of ultraviolet band, and when wavelength was shorter than 350nm, the material of refractive optical system mainly was the optical crystal material based on saturating ultraviolet.Especially in space exploration, the wave band that needs to survey has certain width, therefore must proofread and correct so that there is the good optical performance in system the aberration of optical system, so that this system to can be used in the external space to surveying by the moon, use wave band as the ultraviolet C-band to the visible light part, wavelength band is 300nm-500nm, effective imaging area of detector is 13.3 * 13.3mm, requirement may detect 70 ° of scopes of object space, energy operate as normal under the irradiation of the external space, yet the present wide-angle lens that not can be applicable to the transmission optics system of this ultraviolet band as yet.
Three, utility model content
The utility model is in order to solve the technical matters that exists in the background technology, and a kind of wide-angle lens that can be applicable to the transmission optics system of ultraviolet band is provided.
Technical solution of the present utility model is: the utility model is a kind of ultraviolet wide-angle objective lens, and its special character is; Group negative power mirror group 10 and back group positive light coke mirror group 13 before described ultraviolet wide-angle objective lens comprises, back group positive light coke mirror group 13 comprises positive light coke mirror group 12 and accurate no focal power mirror group 14, and preceding group of negative power mirror group 10, positive light coke mirror group 12 and accurate no focal power mirror group 14 are arranged on the same optical axis 11 in regular turn.
Group negative power mirror group 10 comprises negative power eyeglass 1 and positive light coke eyeglass 2 before above-mentioned, and negative power eyeglass 1 and positive light coke eyeglass 2 are arranged on the optical axis 11 in regular turn.
Above-mentioned positive light coke eyeglass 2 is the thick lens of light hurdle bending dorsad.
Above-mentioned positive light coke mirror group 12 is made of three-chip type mirror group and light hurdle 4, three-chip type mirror group comprises positive light coke eyeglass 3, negative power eyeglass 5 and positive light coke eyeglass 6, positive light coke eyeglass 3, negative power eyeglass 5 and positive light coke eyeglass 6 are arranged on the optical axis 11 in regular turn, and light hurdle 4 is arranged between positive light coke eyeglass 3 and the negative power eyeglass 5.
The no focal power mirror of above-mentioned standard group 14 comprises negative power eyeglass 7, positive light coke eyeglass 8 and negative power eyeglass 9, and negative power eyeglass 7, positive light coke eyeglass 8 and negative power eyeglass 9 are arranged on the optical axis 11 in regular turn.
Above-mentioned negative power eyeglass 1 adopts the optical quartz glass material to make.
Above-mentioned positive light coke eyeglass 2 adopts optical crystal material CaF2 to make.
Above-mentioned positive light coke eyeglass 3,6,8 adopts optical crystal material MgF2 to make.
Above-mentioned negative power eyeglass 5,7,9 adopts the ultraviolet optics quartz glass to make.
The utility model adopts the structural shape of anti-long distance, object lens are made of for two groups front and back, preceding group has negative focal power, the back group has positive focal power, the standard that is provided with positive light coke mirror group and color difference eliminating at back group positive light coke mirror does not have focal power mirror group, use simultaneously three kinds of physicochemical properties preferably optical crystal material carry out the correction of aberration, realized can be applicable to the object lens of the transmission optics system of ultraviolet band.
Four, description of drawings
Fig. 1 is a structural representation of the present utility model.
Five, embodiment
The utility model mainly is made of preceding group of negative power mirror group 10 and back group positive light coke mirror group 13, back group positive light coke mirror group 13 comprises positive light coke mirror group 12 and accurate no focal power mirror group 14, preceding group negative power mirror group 10, positive light coke mirror group 12 and accurate no focal power mirror group 14 are arranged on the same optical axis 11 in regular turn, and each mirror group all can be combined by varying number and difform positive light coke eyeglass and negative power eyeglass.
Referring to seeing Fig. 1, in preferred embodiment of the present utility model, focal power mirror group 10 comprises negative power eyeglass 1 and positive light coke eyeglass 2, it is good that positive light coke eyeglass 2 adopts the thick lens of light hurdle bending dorsad, but the curvature of field of its balance total system and astigmatism, introduced in the basic structure of the three-chip type mirror group of behind the utility model, organizing one group be used for correcting chromatic aberration connect airtight negative, just, the standard of negative combination does not have the aberration of focal power mirror group 14 in order to corrective system, also help simultaneously the correction of spherical aberration, wherein positive light coke mirror group 12 is made of three-chip type mirror group and light hurdle 4, three-chip type mirror group comprises positive light coke eyeglass 3, negative power eyeglass 5 and positive light coke eyeglass 6, accurate no focal power mirror group 14 comprises negative power eyeglass 7, positive light coke eyeglass 8 and negative power eyeglass 9, wherein the negative power eyeglass 1, positive light coke eyeglass 2, positive light coke eyeglass 3, light hurdle 4, negative power eyeglass 5 and positive light coke eyeglass 6, negative power eyeglass 7, positive light coke eyeglass 8 and negative power eyeglass 9 are arranged on the optical axis 11 in regular turn.
Negative power eyeglass 1 adopts the optical quartz glass material to make, positive light coke eyeglass 2 adopts optical crystal material CaF2 to make, positive light coke eyeglass 3,6,8 adopts optical crystal material MgF2 to make, and negative power eyeglass 5,7,9 adopts the ultraviolet optics quartz glass to make.
Claims (9)
1, a kind of ultraviolet wide-angle objective lens is characterized in that; Group negative power mirror group (10) and back group positive light coke mirror group (13) before described ultraviolet wide-angle objective lens comprises, described back group positive light coke mirror group (13) comprises positive light coke mirror group (12) and accurate no focal power mirror group (14), and described preceding group negative power mirror group (10), positive light coke mirror group (12) and accurate no focal power mirror group (14) are arranged on the same optical axis (11) in regular turn.
2, a kind of ultraviolet wide-angle objective lens according to claim 1 is characterized in that; Group negative power mirror group (10) comprises negative power eyeglass (1) and positive light coke eyeglass (2) before described, and described negative power eyeglass (1) and positive light coke eyeglass (2) are arranged on the optical axis (11) in regular turn.
3, a kind of ultraviolet wide-angle objective lens according to claim 2 is characterized in that: described positive light coke eyeglass (2) is the thick lens of light hurdle bending dorsad.
4, according to claim 1 or 2 or 3 described a kind of ultraviolet wide-angle objective lens, it is characterized in that; Described positive light coke mirror group (12) is made of three-chip type mirror group and light hurdle (4), described three-chip type mirror group comprises positive light coke eyeglass (3), negative power eyeglass (5) and positive light coke eyeglass (6), described positive light coke eyeglass (3), negative power eyeglass (5) and positive light coke eyeglass (6) are arranged on the optical axis (11) in regular turn, and described smooth hurdle (4) is arranged between positive light coke eyeglass (3) and the negative power eyeglass (5).
5, a kind of ultraviolet wide-angle objective lens according to claim 4, it is characterized in that: described standard no focal power mirror group (14) comprises negative power eyeglass (7), positive light coke eyeglass (8) and negative power eyeglass (9), and described negative power eyeglass (7), positive light coke eyeglass (8) and negative power eyeglass (9) are arranged on the optical axis (11) in regular turn.
6, a kind of ultraviolet wide-angle objective lens according to claim 5 is characterized in that: described negative power eyeglass (1) adopts the optical quartz glass material to make.
7, a kind of ultraviolet wide-angle objective lens according to claim 6 is characterized in that: described positive light coke eyeglass (2) adopts optical crystal material CaF2 to make.
8, a kind of ultraviolet wide-angle objective lens according to claim 7 is characterized in that: described positive light coke eyeglass (3,6,8) adopts optical crystal material MgF2 to make.
9, a kind of ultraviolet wide-angle objective lens according to claim 8 is characterized in that: described negative power eyeglass (5,7,9) adopts the ultraviolet optics quartz glass to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520079717 CN2833633Y (en) | 2005-11-17 | 2005-11-17 | Ultraviolet wide-angle objective lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520079717 CN2833633Y (en) | 2005-11-17 | 2005-11-17 | Ultraviolet wide-angle objective lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2833633Y true CN2833633Y (en) | 2006-11-01 |
Family
ID=37197945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520079717 Expired - Fee Related CN2833633Y (en) | 2005-11-17 | 2005-11-17 | Ultraviolet wide-angle objective lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2833633Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101452109B (en) * | 2007-12-03 | 2012-04-11 | 中国空空导弹研究院 | Big screen and big deflection angle image acquisition method, acquisition device thereof and acquisition lens |
| CN102414597A (en) * | 2009-12-07 | 2012-04-11 | 奥林巴斯医疗株式会社 | Objective lens and endoscope device |
| CN102944937A (en) * | 2012-11-27 | 2013-02-27 | 北京理工大学 | Sub-aperture polarization imaging system |
-
2005
- 2005-11-17 CN CN 200520079717 patent/CN2833633Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101452109B (en) * | 2007-12-03 | 2012-04-11 | 中国空空导弹研究院 | Big screen and big deflection angle image acquisition method, acquisition device thereof and acquisition lens |
| CN102414597A (en) * | 2009-12-07 | 2012-04-11 | 奥林巴斯医疗株式会社 | Objective lens and endoscope device |
| CN102414597B (en) * | 2009-12-07 | 2014-01-08 | 奥林巴斯医疗株式会社 | Objective lens and endoscope device |
| CN102944937A (en) * | 2012-11-27 | 2013-02-27 | 北京理工大学 | Sub-aperture polarization imaging system |
| CN102944937B (en) * | 2012-11-27 | 2014-12-24 | 北京理工大学 | Sub-aperture polarization imaging system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20100277792A1 (en) | Night vision glasses | |
| CN108318995B (en) | Lens system and lens | |
| CN102967924B (en) | Optical lens | |
| CN203595856U (en) | Athermal monitoring camera lens | |
| CN110045486B (en) | Optical imaging lens | |
| CN110488473B (en) | Miniaturized large-aperture large-target-surface high-resolution zoom lens | |
| CN103926678A (en) | Wide-angle lens and optical fiber sight glass system with same | |
| CN2833633Y (en) | Ultraviolet wide-angle objective lens | |
| CN206270646U (en) | 720 ° of panoramic shooting systems | |
| CN107111114B (en) | Wide-angle optical system | |
| CN114019665A (en) | Microscope objective | |
| CN101482647B (en) | Large-zoom ratio infrared continuous zoom lens of non-refrigeration thermal imaging instrument | |
| CN108717227A (en) | A kind of bugeye lens | |
| CN108732720B (en) | Large-relative-aperture fisheye lens applicable to photography | |
| CN213814107U (en) | Optical imaging lens | |
| CN213544936U (en) | Wide-spectrum apochromatic optical imaging lens | |
| CN102360118B (en) | Super-wide-angle eyepiece optical system | |
| CN209746250U (en) | optical imaging lens | |
| CN209215725U (en) | A kind of optical imaging lens | |
| CN103221870A (en) | Eyepiece, eyepiece provided with added lens, and optical apparatus | |
| CN112433344A (en) | Optical imaging lens | |
| CN201229430Y (en) | Ultraviolet wide-angled object glass for correcting distortion | |
| CN201229431Y (en) | Ultraviolet wide-angled object glass for moon sensor | |
| CN106405799B (en) | A kind of wide-angle lens | |
| CN110515184A (en) | Super wide angle global surface fisheye optical system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |